Professor of Saint Vladimir University of Kiev T.D. Florinskii, the outstanding Russian Slavicist, greatly contributed to the Slovak Studies. He came out in the end of 19th century with theory that Slovak has been original Slavonic language stood out immediately from Common Slavonic. Although the majority of Slavonic scientists of that time did not support his ideas, the history of Slavonic Studies confirmed the rightness of Florinskii's theory.
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